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-rw-r--r--vendor/golang.org/x/text/unicode/norm/normalize.go36
1 files changed, 34 insertions, 2 deletions
diff --git a/vendor/golang.org/x/text/unicode/norm/normalize.go b/vendor/golang.org/x/text/unicode/norm/normalize.go
index eb5596f..bba8ce9 100644
--- a/vendor/golang.org/x/text/unicode/norm/normalize.go
+++ b/vendor/golang.org/x/text/unicode/norm/normalize.go
@@ -8,7 +8,11 @@
// Package norm contains types and functions for normalizing Unicode strings.
package norm // import "golang.org/x/text/unicode/norm"
-import "unicode/utf8"
+import (
+ "unicode/utf8"
+
+ "golang.org/x/text/transform"
+)
// A Form denotes a canonical representation of Unicode code points.
// The Unicode-defined normalization and equivalence forms are:
@@ -263,6 +267,34 @@ func (f Form) QuickSpan(b []byte) int {
return n
}
+// Span implements transform.SpanningTransformer. It returns a boundary n such
+// that b[0:n] == f(b[0:n]). It is not guaranteed to return the largest such n.
+func (f Form) Span(b []byte, atEOF bool) (n int, err error) {
+ n, ok := formTable[f].quickSpan(inputBytes(b), 0, len(b), atEOF)
+ if n < len(b) {
+ if !ok {
+ err = transform.ErrEndOfSpan
+ } else {
+ err = transform.ErrShortSrc
+ }
+ }
+ return n, err
+}
+
+// SpanString returns a boundary n such that s[0:n] == f(s[0:n]).
+// It is not guaranteed to return the largest such n.
+func (f Form) SpanString(s string, atEOF bool) (n int, err error) {
+ n, ok := formTable[f].quickSpan(inputString(s), 0, len(s), atEOF)
+ if n < len(s) {
+ if !ok {
+ err = transform.ErrEndOfSpan
+ } else {
+ err = transform.ErrShortSrc
+ }
+ }
+ return n, err
+}
+
// quickSpan returns a boundary n such that src[0:n] == f(src[0:n]) and
// whether any non-normalized parts were found. If atEOF is false, n will
// not point past the last segment if this segment might be become
@@ -321,7 +353,7 @@ func (f *formInfo) quickSpan(src input, i, end int, atEOF bool) (n int, ok bool)
return lastSegStart, false
}
-// QuickSpanString returns a boundary n such that b[0:n] == f(s[0:n]).
+// QuickSpanString returns a boundary n such that s[0:n] == f(s[0:n]).
// It is not guaranteed to return the largest such n.
func (f Form) QuickSpanString(s string) int {
n, _ := formTable[f].quickSpan(inputString(s), 0, len(s), true)